Keywords: Kannettava ohikulkukone.JPG en A portable transit passage instrument in a display cabinet in Argelander hall in Helsinki observatory Made by Repsold und Söhne in ca 1870-1890 fi Kannettava ohikulkukone Helsingin observatoriossa Argelander-salin näyttelykaapissa Repsold und Söhnen noin 1870-1890 valmistama own MKFI 2012-12-01 Collections of the Helsinki Observatory Historical astronomical instruments 2012 in Helsinki December 2012 in Finland Taken with Canon EOS 60D Taken with Canon EF-S 15-85mm F3 5-5 6 IS USM A Repsold Söhne Files by User MKFI |